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Old 11-05-2011, 11:38 AM   #14
Rob Lister
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Join Date: Oct 2011
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Quote:
Originally Posted by howyoudoin View Post
Doesn't radium impart a greenish glow?
Bluish really, but it depends on what you stabilize it with. Undark, the paint used on watch dials years ago, was a compound of radium and zinc-sulfide, which had an aqua tint.
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